147  
CDUS45 KCYS 280733  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
133 AM MDT THU SEP 28 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 2023...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 241 PM 86 2015 68 15 76  
2021  
MINIMUM 44 436 AM 16 1908 41 3 46  
AVERAGE 64 55 9 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.54 1923 0.04 -0.04 0.00  
MONTH TO DATE 0.37 1.35 -0.98 1.04  
SINCE SEP 1 0.37 1.35 -0.98 1.04  
SINCE JAN 1 18.35 13.20 5.15 8.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.7 1935 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.8 -0.8 0.0  
SINCE SEP 1 0.0 0.8 -0.8 0.0  
SINCE JUL 1 T 0.8 -0.8 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 11 -10 4  
MONTH TO DATE 86 161 -75 106  
SINCE SEP 1 86 161 -75 106  
SINCE JUL 1 142 211 -69 107  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 47 30 17 92  
SINCE SEP 1 47 30 17 92  
SINCE JAN 1 382 395 -13 701    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 400 AM  
LOWEST 11 200 PM  
AVERAGE 47  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 89 2010  
MINIMUM TEMPERATURE (F) 41 19 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2023.....SUNRISE 653 AM MDT SUNSET 646 PM MDT  
SEPTEMBER 29 2023.....SUNRISE 654 AM MDT SUNSET 645 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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